418ae291295aef812fe6b31171bfb90d44ae5b10
1 /*
2 * TISCI helper apis header file
3 *
4 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
5 * Lokesh Vutla <lokeshvutla@ti.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the
17 * distribution.
18 *
19 * Neither the name of Texas Instruments Incorporated nor the names of
20 * its contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
36 #ifndef __TISCI_H
37 #define __TISCI_H
39 #include <stdint.h>
41 struct ti_sci_version_info {
42 uint8_t abi_major;
43 uint8_t abi_minor;
44 uint16_t firmware_version;
45 char firmware_description[32];
46 };
48 struct ti_sci_host_info {
49 uint32_t host_id;
50 char host_name[15];
51 char security_status[15];
52 char description[50];
53 };
55 #define MAIN_SEC_PROXY 0
56 #define MCU_SEC_PROXY 1
58 struct ti_sci_sec_proxy_info {
59 uint32_t sp_id;
60 char sp_dir[6];
61 uint32_t num_msgs;
62 char host[15];
63 char host_function[25];
64 };
66 struct ti_sci_processors_info {
67 uint32_t dev_id;
68 uint32_t clk_id;
69 uint32_t processor_id;
70 char name[20];
71 };
73 struct ti_sci_devices_info {
74 uint32_t dev_id;
75 char name[60];
76 };
78 struct ti_sci_info {
79 uint8_t host_id;
80 struct ti_sci_version_info version;
81 struct ti_sci_host_info *host_info;
82 uint32_t num_hosts;
83 struct ti_sci_sec_proxy_info *sp_info[2];
84 uint32_t num_sp_threads[2];
85 struct ti_sci_processors_info *processors_info;
86 uint32_t num_processors;
87 struct ti_sci_devices_info *devices_info;
88 uint32_t num_devices;
89 };
91 #define MAX_DEVICE_STATE_LENGTH 25
92 #define MAX_CLOCK_STATE_LENGTH 25
94 int ti_sci_init(void);
95 const char *ti_sci_cmd_get_device_status(uint32_t dev_id);
96 int ti_sci_cmd_disable_device(uint32_t dev_id);
97 int ti_sci_cmd_enable_device(uint32_t dev_id);
99 int ti_sci_cmd_get_clk(uint32_t dev_id, uint32_t clk_id);
100 int ti_sci_cmd_put_clk(uint32_t dev_id, uint32_t clk_id);
101 const char *ti_sci_cmd_get_clk_state(uint32_t dev_id, uint32_t clk_id);
102 int ti_sci_cmd_set_clk_freq(uint32_t dev_id, uint32_t clk_id, uint64_t freq);
103 int ti_sci_cmd_get_clk_freq(uint32_t dev_id, uint32_t clk_id, uint64_t *freq);
104 #endif